package dao;


import entity.User;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

public class iflogin {
    private static final List loginlist=new CopyOnWriteArrayList();
    private iflogin(){};
    static {loginlist.add(0);
        loginlist.add(0);
loginlist.add(0);

    }
    public  static  List getInstance(){
        return loginlist;
    }
}
